According to BlockBeats, data from Coinmarketcap reveals that the Altcoin Season Index currently stands at 25, marking an increase from its previous low of 15 on June 22. This index indicates that over the past 90 days, approximately 25 out of the top 100 cryptocurrencies by market capitalization have outperformed Bitcoin.

The Altcoin Season Index is a real-time metric used to assess whether the cryptocurrency market is experiencing a period dominated by altcoins. It is based on the performance of the top 100 altcoins relative to Bitcoin over the last 90 days.